25137220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4349}}^1$

素因数の和:4392

約数の個数: 36

約数和(自身を含む): 56088900

約数和(自身を除く): 30951680

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4349, 5780, 8698, 17396, 21745, 43490, 73933, 86980, 147866, 295732, 369665, 739330, 1256861, 1478660, 2513722, 5027444, 6284305, 12568610, 25137220]

約数ペア:

[(1, 25137220), (2, 12568610), (4, 6284305), (5, 5027444), (10, 2513722), (17, 1478660), (20, 1256861), (34, 739330), (68, 369665), (85, 295732), (170, 147866), (289, 86980), (340, 73933), (578, 43490), (1156, 21745), (1445, 17396), (2890, 8698), (4349, 5780)]